You should also ensure apps aren’t hiding in your notification area and running in the background there. If you want to prevent desktop apps from running in the background, you’ll have to do it the old-fashioned way: close desktop applications when you aren’t using them. That’s why this process is similar to how you’d prevent apps from running in the background on an iPhone or iPad. They only apply to Windows 10’s new mobile-style universal apps–originally known as “Metro” apps on Windows 8, which Windows 10 has more control over. None of these settings control traditional Windows desktop apps, unfortunately. RELATED: How to Make Your Windows 10 PC Boot Faster Open the Settings app, select “System,” select the “Battery saver” category, and click or tap the “Battery saver settings” link. Apps won’t be allowed to run in the background while Battery Saver mode is enabled unless manually add them to the “Always allowed” list here.
You can customize Battery Saver mode from the Settings app, too.